CN212192299U

CN212192299U - Safety protection device for high-speed numerical control vertical machining center

Info

Publication number: CN212192299U
Application number: CN202020481635.9U
Authority: CN
Inventors: 吴胜超
Original assignee: Jiangsu Shengfangsi Machinery Technology Co ltd
Current assignee: Jiangsu Shengfangsi Machinery Technology Co ltd
Priority date: 2020-04-06
Filing date: 2020-04-06
Publication date: 2020-12-22
Anticipated expiration: 2030-04-06

Abstract

The utility model provides a safety protection device for a high-speed numerical control vertical machining center, which comprises a case; four groups of guide rods are fixedly arranged in four groups in the case, and an inner partition box is arranged outside the guide rods in a sliding manner; a control cabinet is fixedly arranged on one side of the case; the top of the case is rotatably provided with a group of reel shafts; a hand wheel shaft is rotatably arranged on one side of the top of the case; one end of the hand wheel shaft is provided with a worm, and one end of the winding wheel shaft is provided with a worm wheel in transmission connection with the worm of the hand wheel shaft; the arrangement of the inner partition box and the bottom plate provides a function of collecting scraps for a protection mechanism of the protection device, the scraps of a waste piece can be blocked in the processing process, the direction of the scraps is guided by the guide plate, and the scraps are ensured to fall onto the bottom plate after being guided; the bottom plate is of a detachable structure, and can be cleaned once in each processing or cleaned once after being processed for multiple times according to the generation amount of the scraps.

Description

Safety protection device for high-speed numerical control vertical machining center

Technical Field

The utility model belongs to the technical field of the numerical control, more specifically say, in particular to high-speed numerical control vertical safety arrangement for machining center.

Background

The CNC machining center is a computer numerical control machine tool for short, and is an automatic machine tool controlled by a program, and the movement and the machining process of the machine tool are controlled by utilizing digital information. General CNC machining generally refers to precision machining, CNC machining lathes, CNC machining milling machines, CNC machining boring and milling machines, and the like. The control system can logically process a program specified by a control code or other symbolic instructions, and decode the program through a computer, so that a machine tool executes specified actions, and a blank material is machined into a semi-finished part through cutting by a cutter.

For example, patent No. CN207448024U discloses a safety arrangement for high-speed numerical control vertical machining center through retrieval, including protection casing, protection sliding door, radiator-grid and actuating device, the protection casing sets up outside high-speed numerical control vertical machining center body, protection sliding door is installed to protection casing a side, the even symmetry in protection sliding door both sides is provided with the radiator-grid, be provided with the control window on the protective sliding door in radiator-grid upper portion, emergency button is installed to one side on the protective sliding door between control window and the radiator-grid, LCD is installed to the opposite side on the protective sliding door between control window and the radiator-grid, infrared inductor is installed to control window upper portion protective sliding door bilateral symmetry, protection casing outer wall one side is provided with actuating device, protection casing outer wall opposite side is provided with the steady voltage protector. The utility model discloses effectively protect operating personnel to avoid the injury of cutting bits and coolant liquid, but real time monitoring machinery running state, extension machinery life simultaneously.

Patent No. CN209007191U discloses a safety arrangement for high-speed numerical control vertical machining center again, which comprises a housin, the front end right side top left and right sides of casing is equipped with alarm lamp and red green display lamp respectively, the draw-in groove has been seted up on the inner chamber right side surface of casing, the inner chamber front side joint of draw-in groove has the iron sheet, the front side right-hand member central point of casing puts and is equipped with the scram switch, there is the transformer right side bottom of casing through the screw connection, the inner chamber bottom joint of casing has the slide rail, the inner chamber of casing is embedded to have the guard gate. This safety arrangement for high-speed numerical control vertical machining center, the device have effectively avoided equipment to add man-hour production iron fillings and have caused the injury to operating personnel, can carry out timely effectual clearance to the iron fillings that equipment produced and collect and recycle, avoid causing the waste, resources are saved prevents effectually that the slide rail from being blockked up, causes the personal safety accident, improves the security of operation.

Based on the aforesaid, protection device who uses at present mainly removes in the lathe through slide rail and gyro wheel, and the structure of protection is controlled through electronic component, wraps up to the work piece through the outside shell that sets up protectiveness at the frock and protects, and the dismouting of shell is inconvenient, to the inconvenient recovery of collection of sweeps, the inconvenient clearance of sweeps on the frock.

In view of the above, the present invention provides a safety protection device for a high-speed numerical control vertical machining center, which is improved in view of the existing structure and defects, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a high-speed numerical control safety arrangement for vertical machining center to the protection device who provides at present uses in solving above-mentioned background art mainly removes in the lathe through slide rail and gyro wheel, and the structure of protection is controlled through electronic component, wraps up to the work piece through the shell that sets up protectiveness in the outside of frock and protects, and the dismouting of shell is inconvenient, to the inconvenient recovery of collection of sweeps, the inconvenient problem of clearing up of sweeps on the frock.

The utility model relates to a high-speed numerical control vertical machining is purpose and efficiency of safety arrangement for center is reached by following concrete technological means:

a safety protection device for a high-speed numerical control vertical machining center comprises a machine case; four groups of guide rods are fixedly arranged on the periphery of the inside of the case, and an inner partition box is arranged outside the guide rods in a sliding manner; a control cabinet is fixedly arranged on one side of the case; the top of the case is rotatably provided with a group of reel shafts; a hand wheel shaft is rotatably arranged on one side of the top of the case; one end of the hand wheel shaft is provided with a worm, and one end of the winding wheel shaft is provided with a worm wheel in transmission connection with the worm of the hand wheel shaft; a bottom plate is fixedly arranged at the bottom of the inner separation box; a tooling frame is arranged at the bottom of the inner side of the case in a sliding manner; the middle of the top of the tool rack is rotatably provided with a tool.

Furthermore, the case also comprises a clamping plate, a door plate, a guide row and a stop block; a clamping plate is integrally arranged at the bottom of the inner side of the case; a door plate is rotatably arranged on one side of the front end of the case through a hinge, and a notch structure is arranged at the top of the outer end of the door plate; a plate-shaped structure is integrally arranged on the inner side of the outer end corner of the case; a guide bar is integrally arranged in the middle of the bottom of the case, and a stop block is arranged on the outer side of the top of the guide bar; the bottom of the tool rack is in sliding connection with the guide row and limits the sliding position through the stop block.

Furthermore, the reel shaft also comprises a reel; the hand wheel shaft also comprises a hand wheel; two sides of the reel shaft are fixedly provided with two groups of reel wheels through key connection, and pull wires are arranged outside the reel wheels and penetrate through the top of the case and the inner compartment to be wound and connected with two sides of the top of the inner compartment; the outer end of the hand wheel shaft is fixedly provided with a hand wheel which is positioned at the front side of the plate-shaped structure at the corner of the case.

Furthermore, the inner compartment also comprises a guide plate and a threaded cylinder; the bottom of the inner compartment is fixedly provided with a plurality of layers of guide plates; the guide plates are all in a trapezoidal frame structure, and the tops of the guide plates are wider than the bottoms of the guide plates; the corners of the guide plates are fixedly connected through welding connecting rods, and the guide plates are fixed in the inner compartment at intervals through the connecting rods; two groups of threaded cylinders are arranged on two sides of the bottom of the inner separation box in a uniform manner.

Furthermore, the bottom plate also comprises an inner frame and a fixing screw rod; an inner frame is integrally arranged in the middle of the top of the bottom plate, and the periphery of the inner frame is slightly longer than the periphery of the tooling frame; the both sides front end of bottom plate all is provided with the pedestal structure, and all wears to be equipped with fixing screw in the pedestal structure, and fixing screw all can insert screw thread section of thick bamboo fixed connection.

Furthermore, the tool rack also comprises a stretcher plate, an extension plate, a guide strip and a clamping plate; a stretcher plate is integrally arranged at the top of one side of the tool rack; the middle of the top of the tool frame is rotatably provided with a tool through a rotating shaft, and the bottom of one side of the tool is provided with a shoulder structure and matched with the stretcher plate; two groups of extension plates are integrally arranged at the bottoms of the front ends of the two sides of the tool rack, and guide strips are integrally arranged at the bottoms of the extension plates; a clamping plate is arranged outside the guide strip in a sliding manner; the top of one side of the tool is provided with a pin hole, the top of one side of the tool rack is provided with a pin hole with the same diameter, and the tool rack can be fixed by inserting a fixing pin; the top of frock slides and is provided with four groups of clamp blocks, and the clamp block all impels fixedly through the bolt.

Compared with the prior art, the utility model discloses following beneficial effect has:

the setting of reel and interior partition box has promoted nimble convenient switch function for protection device's protection mechanism, can rise interior partition box perpendicularly through the simple quick effect of pulley when processing, does not influence and puts the work piece of getting, compares horizontal removal more convenient.

The arrangement of the inner partition box and the bottom plate provides a function of collecting scraps for a protection mechanism of the protection device, the scraps of a waste piece can be blocked in the processing process, the direction of the scraps is guided by the guide plate, and the scraps are ensured to fall onto the bottom plate after being guided; the bottom plate is of a detachable structure, and can be cleaned once in each processing or cleaned once after being processed for multiple times according to the generation amount of the scraps.

The arrangement of the tool and the tool rack provides a good cleaning function for the protection device, the tool can be greatly selected on the tool through the rotating shaft, the scraps at the top of the tool can be directly poured out, and the use is convenient; meanwhile, the tool frame can move outwards, and the workpiece can be conveniently installed and replaced after the tool frame is pulled out through stretching, so that convenience is brought to the installation of the workpiece.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the structure of the inner compartment in the present invention.

Fig. 3 is a schematic view of a half-section structure of the inner compartment of the present invention.

Fig. 4 is a schematic perspective view of the bottom plate of the present invention.

Fig. 5 is a schematic perspective view of the tool rack of the present invention.

Fig. 6 is a schematic diagram of a partially enlarged structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. the device comprises a case, 101, a clamping plate, 102, a guide rod, 103, a door panel, 104, a guide row, 105, a stop block, 2, a control cabinet, 3, a reel shaft, 301, a reel, 4, a hand wheel shaft, 401, a hand wheel, 5, an inner partition box, 501, a guide plate, 502, a threaded cylinder, 6, a bottom plate, 601, an inner frame, 602, a fixing screw, 7, a tool rack, 701, a carrying plate, 702, an extension plate, 703, a guide strip, 704, a clamping plate, 8, a fixing pin, 9 and a tool.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a safety protection device for a high-speed numerical control vertical machining center, which comprises a machine case 1; the case 1 further comprises a clamping plate 101, a door plate 103, a guide row 104 and a stop block 105; a clamping plate 101 is integrally arranged at the bottom of the inner side of the case 1; a door plate 103 is rotatably arranged on one side of the front end of the case 1 through a hinge, and a notch structure is arranged at the top of the outer end of the door plate 103; a plate-shaped structure is integrally arranged on the inner side of the outer end corner of the case 1; a guide bar 104 is integrally arranged in the middle of the bottom of the case 1, and a stop block 105 is arranged on the outer side of the top of the guide bar 104; the bottom of the tool rack 7 is connected with the guide row 104 in a sliding way and the sliding position is limited by the stop block 105; four groups of guide rods 102 are fixedly arranged on the periphery inside the case 1, and an inner partition case 5 is arranged outside the guide rods 102 in a sliding manner; the inner partition box 5 further comprises a guide plate 501 and a threaded cylinder 502; the bottom of the inner compartment 5 is fixedly provided with a plurality of layers of guide plates 501; the guide plate 501 is in a trapezoidal frame structure, and the top of the guide plate 501 is wider than the bottom; the corners of the guide plate 501 are fixedly connected through welding connecting rods, and the guide plate 501 is fixed in the inner compartment 5 at intervals through the connecting rods; two groups of threaded cylinders 502 are integrally arranged on two sides of the bottom of the inner partition box 5; a control cabinet 2 is fixedly arranged on one side of the case 1; the top of the case 1 is rotatably provided with a group of reel shafts 3; wherein, the winding wheel shaft 3 also comprises a winding wheel 301; the hand wheel shaft 4 also comprises a hand wheel 401; two sides of the reel shaft 3 are fixedly provided with two groups of reel wheels 301 through key connection, and pull wires are arranged outside the reel wheels 301 and penetrate through the top parts of the case 1 and the inner partition box 5 to be connected with two sides of the top part of the inner partition box 5 in a winding way; a hand wheel 401 is fixedly arranged at the outer end of the hand wheel shaft 4, and the hand wheel 401 is positioned at the front side of the plate-shaped structure at the corner of the case 1; a hand wheel shaft 4 is rotatably arranged on one side of the top of the case 1; one end of the hand wheel shaft 4 is provided with a worm, and one end of the reel shaft 3 is provided with a worm wheel which is in transmission connection with the worm of the hand wheel shaft 4; the bottom of the inner compartment 5 is fixedly provided with a bottom plate 6; the bottom of the inner side of the case 1 is provided with a tool rack 7 in a sliding way; the middle of the top of the tool rack 7 is rotatably provided with a tool 9.

Wherein, the bottom plate 6 also comprises an inner frame 601 and a fixed screw 602; an inner frame 601 is integrally arranged in the middle of the top of the bottom plate 6, and the periphery of the inner frame 601 is slightly larger than the peripheral length of the tooling frame 7; both sides front end of bottom plate 6 all is provided with the pedestal structure, and all wears to be equipped with set screw 602 in the pedestal structure, and set screw 602 all can insert screw section of thick bamboo 502 fixed connection.

Wherein, the tool rest 7 further comprises a stretcher plate 701, an extension plate 702, a guide bar 703 and a clamping plate 704; a stretcher plate 701 is integrally arranged at the top of one side of the tool rack 7; a tool 9 is rotatably arranged in the middle of the top of the tool frame 7 through a rotating shaft, and a shoulder structure is arranged at the bottom of one side of the tool 9 and is matched with the stretcher plate 701; two groups of extension plates 702 are integrally arranged at the bottoms of the front ends of the two sides of the tool rack 7, and guide strips 703 are integrally arranged at the bottoms of the extension plates 702; a clamping plate 704 is arranged outside the guide strip 703 in a sliding manner; the top of one side of the tool 9 is provided with a pin hole, the top of one side of the tool frame 7 is provided with a pin hole with the same diameter, and the tool 9 and the tool frame 7 can be fixed in an inserting way by arranging a fixing pin 8; four groups of clamping blocks are arranged at the top of the tool 9 in a sliding mode, and the clamping blocks are all pushed and fixed through bolts.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in, the equipment mode: four groups of guide rods 102 are fixedly arranged on the periphery of the interior of the case 1, and an inner compartment 5 is arranged outside the guide rods 102 in a sliding manner; a control cabinet 2 is fixedly arranged on one side of the case 1; a group of reel shafts 3 are rotatably arranged at the top of the case 1; a hand wheel shaft 4 is rotatably arranged on one side of the top of the case 1; a worm is arranged at one end of the hand wheel shaft 4, and a worm wheel is arranged at one end of the reel shaft 3 and is in transmission connection with the worm of the hand wheel shaft 4; a bottom plate 6 is fixedly arranged at the bottom of the inner compartment 5; a tool rack 7 is arranged at the bottom of the inner side of the case 1 in a sliding manner; a tool 9 is rotatably arranged in the middle of the top of the tool frame 7; a clamping plate 101 is integrally arranged at the bottom of the inner side of the case 1; a door plate 103 is rotatably arranged on one side of the front end of the case 1 through hinged connection, and a notch structure is arranged at the top of the outer end of the door plate 103; a plate-shaped structure is integrally arranged on the inner side of the outer end corner of the case 1; a guide row 104 is integrally arranged in the middle of the bottom of the case 1, and a stop block 105 is arranged on the outer side of the top of the guide row 104; the bottom of the tool rack 7 is connected with a guide row 104 in a sliding way and the sliding position is limited by a stop block 105; the handwheel shaft 4 also comprises a handwheel 401; two groups of winding wheels 301 are fixedly arranged on two sides of the winding wheel shaft 3 through key connection, and a pull wire is arranged outside the winding wheels 301 and penetrates through the top of the case 1 and the top of the inner partition box 5 to be wound and connected with two sides of the top of the inner partition box 5; a hand wheel 401 is fixedly arranged at the outer end of the hand wheel shaft 4; a plurality of layers of guide plates 501 are fixedly arranged at the bottom of the inner compartment 5; wider at the top than at the bottom of the guide plate 501; the corners of the guide plate 501 are fixedly connected through welding connecting rods, and the guide plate 501 is fixed in the inner compartment 5 at intervals through the connecting rods; two groups of threaded cylinders 502 are integrally arranged on two sides of the bottom of the inner compartment 5; an inner frame 601 is integrally arranged in the middle of the top of the bottom plate 6, and the periphery of the inner frame 601 is slightly larger than the periphery length of the tooling frame 7; the front ends of the two sides of the bottom plate 6 are provided with shaft bracket structures, fixing screws 602 penetrate through the shaft bracket structures, and the fixing screws 602 are inserted into the threaded cylinders 502 to be fixedly connected; a stretcher plate 701 is integrally arranged at the top of one side of the tool rack 7; a tool 9 is rotatably arranged in the middle of the top of the tool frame 7 through a rotating shaft, and a shoulder structure is arranged at the bottom of one side of the tool 9 and is matched with the stretcher plate 701; two groups of extension plates 702 are integrally arranged at the bottoms of the front ends of the two sides of the tool rack 7, and guide bars 703 are integrally arranged at the bottoms of the extension plates 702; a clamping plate 704 is arranged outside the guide strip 703 in a sliding manner; a pin hole is formed in the top of one side of the tool 9, meanwhile, a pin hole with the same diameter is formed in the top of one side of the tool frame 7, and the tool 9 and the tool frame 7 can be fixed in an inserted mode through the fixing pin 8; four groups of clamping blocks are arranged at the top of the tool 9 in a sliding mode, the clamping blocks are pushed and fixed through bolts, and a milling device is arranged on the inner side of the top of the case 1; the use method comprises the following steps: after the door plate 103 is opened, a hand wheel 401 is rotated, a reel shaft 3 is driven to rotate through a reel shaft 4, the reel 301 pulls up the inner compartment 5 along with the rotation, a workpiece is fixed on a tool 9 through a bolt, the inner compartment 5 is lowered for processing, and scraps generated during milling are guided by a guide plate 501 to be collected and then are arranged on a bottom plate 6; after processing, loosening the fixing screw 602, lifting the inner compartment 5 to separate the bottom plate 6, and leaving the scraps on the bottom plate 6; the fixing pin 8 is pulled out, the tooling 9 is rotated by 180 degrees, then the scraps on the tooling 9 and the workpiece are poured out, the scraps are collected and cleaned, and the clamping plate 704 is lifted to pull out the tooling frame 7, and the workpiece is placed again to be processed.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a high-speed numerical control vertical machining safety arrangement for center which characterized in that includes: a chassis (1); four groups of guide rods (102) are fixedly arranged on the periphery of the inside of the case (1), and an inner partition box (5) is arranged outside the guide rods (102) in a sliding manner; a control cabinet (2) is fixedly arranged on one side of the case (1); the top of the case (1) is rotatably provided with a group of reel shafts (3); a hand wheel shaft (4) is rotatably arranged on one side of the top of the case (1); one end of the hand wheel shaft (4) is provided with a worm, and one end of the reel shaft (3) is provided with a worm wheel which is in transmission connection with the worm of the hand wheel shaft (4); a bottom plate (6) is fixedly arranged at the bottom of the inner compartment (5); a tool rack (7) is arranged at the bottom of the inner side of the case (1) in a sliding manner; the middle of the top of the tool frame (7) is rotatably provided with a tool (9).

2. The safety protection device for the high-speed numerical control vertical machining center as claimed in claim 1, wherein: the case (1) further comprises a clamping plate (101), a door plate (103), a guide row (104) and a stop block (105); a clamping plate (101) is integrally arranged at the bottom of the inner side of the case (1); a door plate (103) is rotatably arranged on one side of the front end of the case (1) through hinged connection, and a notch structure is arranged at the top of the outer end of the door plate (103); a plate-shaped structure is integrally arranged on the inner side of the outer end corner of the case (1); a guide row (104) is integrally arranged in the middle of the bottom of the case (1), and a stop block (105) is arranged on the outer side of the top of the guide row (104); the bottom of the tool rack (7) is connected with the guide row (104) in a sliding mode, and the sliding position is limited through a stop block (105).

3. The safety protection device for the high-speed numerical control vertical machining center as claimed in claim 1, wherein: the reel shaft (3) also comprises a reel (301); the hand wheel shaft (4) also comprises a hand wheel (401); two sides of the reel shaft (3) are fixedly provided with two groups of reel wheels (301) through key connection, and stay wires are arranged outside the reel wheels (301) and penetrate through the top of the case (1) and the inner partition box (5) to be connected with two sides of the top of the inner partition box (5) in a winding way; the outer end of the hand wheel shaft (4) is fixedly provided with a hand wheel (401), and the hand wheel (401) is positioned at the front side of the plate-shaped structure at the corner of the case (1).

4. The safety protection device for the high-speed numerical control vertical machining center as claimed in claim 1, wherein: the inner compartment (5) also comprises a guide plate (501) and a threaded cylinder (502); the bottom of the inner compartment (5) is fixedly provided with a plurality of layers of guide plates (501); the guide plate (501) is of a trapezoidal frame structure, and the top of the guide plate (501) is wider than the bottom; the corners of the guide plates (501) are fixedly connected through welding connecting rods, and the guide plates (501) are fixed in the inner compartment (5) at intervals through the connecting rods; two groups of threaded cylinders (502) are integrally arranged on two sides of the bottom of the inner partition box (5).

5. The safety protection device for the high-speed numerical control vertical machining center as claimed in claim 1, wherein: the bottom plate (6) further comprises an inner frame (601) and a fixing screw rod (602); an inner frame (601) is integrally arranged in the middle of the top of the bottom plate (6), and the periphery of the inner frame (601) is slightly larger than the peripheral length of the tooling frame (7); the front ends of the two sides of the bottom plate (6) are respectively provided with a shaft bracket structure, fixing screws (602) are arranged in the shaft bracket structures in a penetrating mode, and the fixing screws (602) can be inserted into the thread cylinders (502) for fixed connection.

6. The safety protection device for the high-speed numerical control vertical machining center as claimed in claim 1, wherein: the tool rack (7) further comprises a stretcher plate (701), an extension plate (702), a guide strip (703) and a clamping plate (704); a stretcher plate (701) is integrally arranged at the top of one side of the tool rack (7); a tool (9) is rotatably arranged in the middle of the top of the tool rack (7) through a rotating shaft, and a shoulder structure is arranged at the bottom of one side of the tool (9) and is matched with the stretcher plate (701); two groups of extension plates (702) are integrally arranged at the bottoms of the front ends of the two sides of the tooling frame (7), and guide strips (703) are integrally arranged at the bottoms of the extension plates (702); a clamping plate (704) is arranged outside the guide strip (703) in a sliding manner; the top of one side of the tool (9) is provided with a pin hole, the top of one side of the tool rack (7) is provided with a pin hole with the same diameter, and the tool (9) and the tool rack (7) can be fixed in an inserting manner by arranging a fixing pin (8); the top of frock (9) slides and is provided with four groups of clamp blocks, and the clamp block all advances fixedly through the bolt.